Congress Protected the Helicopter and Left Out the Ambulance

You did not pick the ambulance. Somebody called 911, a truck came, and four weeks later a bill showed up from a company you'd never heard of, for a ride you were not conscious enough to shop for.

Then you looked up the No Surprises Act, saw it covers emergencies, and couldn't understand why this bill exists.

Here's why. Congress wrote air ambulances into the law and left ground ambulances out.

What's changed, and what hasn't

Federal action has stalled. In 2024, the Advisory Committee on Ground Ambulance and Patient Billing, a panel created by the No Surprises Act itself, told Congress that balance billing for out-of-network ground ambulance services should be prohibited outright and patient cost-sharing capped. Congress has not acted.

States moved instead. According to the Commonwealth Fund (2026), people in 22 states now have some protection from surprise ground ambulance bills, with five new state laws this year alone. Each is written differently: different payment formulas, different services covered, different enforcement. So the federal gap is the same everywhere, but what your state does about it is not. Whether you have any protection depends on the state you live in and, often, on how your plan is regulated (more on that below). For what balance billing is and what the No Surprises Act does cover, see our guide to balance billing.

For scale, that same research cites roughly 3 million privately insured emergency ground ambulance trips a year (KFF), more than one in four of which may produce a surprise bill (Health Affairs, 2022), at a 2021 commercial average of $1,093 (Health Care Cost Institute). Outside estimates, not our numbers. Yours will be its own thing.

Exhibit A: what the law does say

Here is the entire air ambulance protection, 42 U.S.C. § 300gg-135, in full:

In the case of a participant, beneficiary, or enrollee ... who is furnished ... air ambulance services ... from a nonparticipating provider ... such provider shall not bill, and shall not hold liable, such participant, beneficiary, or enrollee for a payment amount for such service ... that is more than the cost-sharing amount for such service.

Read it twice. It says air. There is no companion section that says ground.

Exhibit B: why the ride doesn't count as "emergency services"

You'd think the ride to the emergency room is part of the emergency. The statute defines it otherwise. From 42 U.S.C. § 300gg-111(a)(3)(C)(i), "emergency services" means:

(I) a medical screening examination ... that is within the capability of the emergency department of a hospital or of an independent freestanding emergency department ... and

(II) within the capabilities of the staff and facilities available at the hospital or the independent freestanding emergency department ... such further ... treatment as are required ... to stabilize the patient...

Every protection hangs off the emergency department. The truck in your driveway is not an emergency department. That's the whole gap: one definition, doing all the work.

The first question is who regulates your plan

Find out whether your coverage is fully insured (your employer buys a policy from an insurance company, and your state's insurance department regulates it) or self-funded (your employer pays claims itself, and federal law largely blocks state regulation). Many people at large employers are in self-funded plans, which is why a strong state ambulance law can still miss them.

Check your plan booklet (it's called the Summary Plan Description), or ask your employer's human resources office: "Is our medical plan self-funded or fully insured?" Some state laws are written against the ambulance provider's billing conduct rather than the plan, which can reach further, so check how yours is written before assuming you're outside it.

Then check whether the bill is even right

Separate question from whether they're allowed to bill you: is the amount correct? Two documents settle it.

The itemized bill. Ambulance charges are typically a base rate plus mileage with you on board. On most bills you'll see a transport code: A0429 is basic life support (BLS), emergency; A0427 is advanced life support (ALS), emergency; plus A0425 for ground mileage per mile. Advanced life support pays materially more than basic.

The patient care report (PCR). The crew's clinical record of what was actually done. Medicare's ambulance billing rules treat the crew's documentation as controlling for service level: an ALS crew that delivered only BLS care should be billed at the BLS rate. A paramedic on board is not, by itself, ALS care.

Request the PCR in writing. Then put the base rate next to what the PCR documents, and the billed mileage next to the actual distance from pickup to hospital. Mileage should count only the miles you were in the truck.

Do this before the weekend

1. Ask your employer whether your plan is self-funded or fully insured. Write down the answer.
2. Look up your state. Search your state insurance department for "ambulance balance billing." If a law exists, note whether it binds the plan or the provider.
3. Request two documents in writing: the itemized bill with all billing codes (called HCPCS codes), and the patient care report.
4. Line them up against your EOB, the Explanation of Benefits page from your insurer showing your actual patient responsibility. If the ambulance company's "amount due" is larger, you have a specific thing to name.
5. Ask about financial assistance. Many hospital-owned ambulance services fall under the hospital's financial assistance policy. Ask for it by name.

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Nobody chooses the ambulance. That doesn't mean you accept the invoice without reading it.